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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <script>
          
        //翻转
 /*        let arr = ['one', 'two', 'three', 1, 2, 3];
        console.log('arr:', arr);

let reversed = arr.reverse();
console.log('reversed:', reversed); */


let arr = [1, 4, 6, 7, 6];
console.log('arr', arr);

let num = arr.reverse();
console.log('num:', num);




    </script>
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